How to Use the Soil and Water Assessment Tool for Pond Site Planning
Planning your first pond? Before you dig, you need to know whether your land will hold water. The Soil and Water Assessment Tool (SWAT) is a computer model developed by the USDA that predicts how water moves across and through your property, helping you understand drainage patterns, runoff, and whether your soil will naturally seal a pond. While SWAT was originally designed for large-scale watershed studies, simplified site assessment principles borrowed from it can guide DIY pond builders in choosing the right location and understanding potential water loss.
Key Takeaway: SWAT helps predict …










